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Fixed byte conversion issue during logging under zlinux

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This commit is contained in:
Breno Silva 2012-10-31 17:05:41 -04:00
parent 6d9327f4a8
commit ce3cf00a2c
5 changed files with 27 additions and 1 deletions
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2
CHANGES
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@ -15,6 +15,8 @@
* Added a better random bytes generator using apr_generate_random_bytes() to create
the HMAC key.
* Fixed byte conversion issue during logging under Linux s390x platform.
* Fixed compilation bug with LibXML2 2.9.0 (Thanks Athmane Madjoudj).
* Fixed parsing error with modsecurity-recommended.conf and Apache 2.4.

4
apache2/msc_logging.c
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@ -229,7 +229,11 @@ static char *construct_auditlog_filename(apr_pool_t *mp, const char *uniqueid) {
* as an audit log boundary.
*/
static char *create_auditlog_boundary(request_rec *r) {
#ifdef LINUX_S390
int data = swap_int32(rand());
#else
unsigned long data = rand();
#endif
/* Do note that I tried using apr_generate_random_bytes but it turned
* out to be terribly slow for some reason. Needs further investigation.
*/

9
apache2/msc_util.c
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@ -74,6 +74,15 @@ static unsigned char *c2x(unsigned what, unsigned char *where);
static unsigned char x2c(unsigned char *what);
static unsigned char xsingle2c(unsigned char *what);
#ifdef LINUX_S390
int swap_int32(int x) {
int swap = ((x>>24)&0xff) | ((x<<8)&0xff0000) |
((x>>8)&0xff00) | ((x<<24)&0xff000000);
return swap;
}
#endif
/** \brief Decode utf-8 to unicode format.
*
* \param mp Pointer to memory pool

5
apache2/msc_util.h
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@ -46,6 +46,11 @@ int DSOLOCAL inet_pton(int family, const char *src, void *dst);
#define UNICODE_ERROR_RESTRICTED_CHARACTER -4
#define UNICODE_ERROR_DECODING_ERROR -5
#ifdef LINUX_S390
int DSOLOCAL swap_int32(int x);
#endif
char DSOLOCAL *utf8_unicode_inplace_ex(apr_pool_t *mp, unsigned char *input, long int input_len, int *changed);
char DSOLOCAL *m_strcasestr(const char *haystack, const char *needle);

8
configure.ac
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@ -100,6 +100,11 @@ case $host in
*-*-linux*)
echo "Checking plataform... Identified as Linux"
linuxos=true
case "${host_cpu}" in
s390x)
cpu_type="-DLINUX_S390"
;;
esac
;;
*-*-solaris*)
echo "Checking plataform... Identified as Solaris"
@ -135,6 +140,7 @@ AM_CONDITIONAL([AIX], [test x$aixos = xtrue])
AM_CONDITIONAL([HPUX], [test x$hpuxos = xtrue])
AM_CONDITIONAL([MACOSX], [test x$macos = xtrue])
AM_CONDITIONAL([LINUX], [test x$linuxos = xtrue])
AM_CONDITIONAL([LINUX390], [test x$linuxos390 = xtrue])
AM_CONDITIONAL([SOLARIS], [test x$solarisos = xtrue])
AM_CONDITIONAL([FREEBSD], [test x$freebsdos = xtrue])
AM_CONDITIONAL([OPENBSD], [test x$openbsdos = xtrue])
@ -627,7 +633,7 @@ else
fi
fi
MODSEC_EXTRA_CFLAGS="$pcre_study $pcre_match_limit $pcre_match_limit_recursion $pcre_jit $request_early $lua_cache $debug_conf $debug_cache $debug_acmp $debug_mem $perf_meas $modsec_api"
MODSEC_EXTRA_CFLAGS="$pcre_study $pcre_match_limit $pcre_match_limit_recursion $pcre_jit $request_early $lua_cache $debug_conf $debug_cache $debug_acmp $debug_mem $perf_meas $modsec_api $cpu_type"
APXS_WRAPPER=build/apxs-wrapper
APXS_EXTRA_CFLAGS=""